Making laser projector doesn’t take much. Hardware is simple – a controller board (Arduino in this case), laser from DVD writer, small motor and set of mirrors. Mechanics is one thing and microcontroller is another. Since this is a multi-line projection it requires synchronization which is done using IR sensor. IR sensor captures rotation of mirrors and gives exact timing for sending laser pulses.
In order to make things more interesting there is an xBee module added for live data streaming. Using this wireless link it is possible to draw things with mouse and instantly see on projection, view scrolling text and the crazy one – display webcam image with only 16×8 pixels.
I read your post. You gave briefly explanation to install XBee module easily in Linux, those are shown in the pictures. By using Xbee tutorial, to understand XBee module is an easy process.
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